Pontiac 2008 G5, Owner'S Manual

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FM Stereo
FM stereo gives the best sound, but FM signals only
reach about 10 to 40 miles (16 to 65 km). Tall buildings
or hills can interfere with FM signals, causing the
sound to fade in and out.
XM™ Satellite Radio Service
XM™ Satellite Radio Service gives digital radio
reception from coast-to-coast in the 48 contiguous
United States, and in Canada. Just as with FM,
tall buildings or hills can interfere with satellite radio
signals, causing the sound to fade in and out.
In addition, traveling or standing under heavy foliage,
bridges, garages, or through tunnels could cause loss
of the XM signal for a period of time. The radio may
display NO XM SIGNAL to indicate interference.
Fixed Mast Antenna
The fixed mast antenna can withstand most car washes
without being damaged. If the mast should ever
become slightly bent, straighten it out by hand. If the
mast is badly bent, replace it.
Check occasionally to make sure the mast is still
tightened to its base. If tightening is required, tighten by
hand, then with a wrench one quarter turn.
XM™ Satellite Radio Antenna
System
Your vehicle may have the XM™ Satellite Radio
antenna that is located on the trunk of your vehicle.
Keep this antenna clear of snow and ice build up
for clear radio reception.
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